DC Generators In case of dc machines, mechanical losses are primary function of Current Voltage Speed None of the listed here Current Voltage Speed None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators The e.m.f. induced in the armature of a shunt generator is 600 V. The armature resistance is 0.1 ohm. If the armature current is 200 A, the terminal voltage will be 600 V 620 V 640 V 580 V 600 V 620 V 640 V 580 V ANSWER DOWNLOAD EXAMIANS APP
DC Generators If residual magnetism is present in a D.C. generator, the induced e.m.f. at zero speed will be Zero Small High The same as rated voltage Zero Small High The same as rated voltage ANSWER DOWNLOAD EXAMIANS APP
DC Generators Number of tapings for each equalizer ring is equal to Number of poles Number of commutator segments Number of pole pairs Number of parallel paths Number of poles Number of commutator segments Number of pole pairs Number of parallel paths ANSWER DOWNLOAD EXAMIANS APP
DC Generators A 4-pole , lap wound dc shunt generator has an armature winding consisting of 220 turns each of 0.004 Ω. The armature resistance is 0.5 Ω 0.055 Ω 0.025 Ω 1 Ω 0.5 Ω 0.055 Ω 0.025 Ω 1 Ω ANSWER DOWNLOAD EXAMIANS APP
DC Generators The bearings used to support the rotor shafts are generally Bush bearings Magnetic bearings Ball bearings Needle bearings Bush bearings Magnetic bearings Ball bearings Needle bearings ANSWER DOWNLOAD EXAMIANS APP